2797888 has 14 divisors (see below), whose sum is σ = 5552186. Its totient is φ = 1398912.

The previous prime is 2797867. The next prime is 2797889. The reversal of 2797888 is 8887972.

It can be written as a sum of positive squares in only one way, i.e., 2795584 + 2304 = 1672^2 + 48^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2797889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21795 + ... + 21922.

2^2797888 is an apocalyptic number.

It is an amenable number.

2797888 is a deficient number, since it is larger than the sum of its proper divisors (2754298).

2797888 is an equidigital number, since it uses as much as digits as its factorization.

2797888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43729 (or 43719 counting only the distinct ones).

The product of its digits is 451584, while the sum is 49.

The square root of 2797888 is about 1672.6888533137. The cubic root of 2797888 is about 140.9105278824.

The spelling of 2797888 in words is "two million, seven hundred ninety-seven thousand, eight hundred eighty-eight".